APA

Colum P., . (1930). Orpheus: myths of the world. New York: Macmillan.

Chicago

Colum Padraic, . 1930. Orpheus: myths of the world. New York: Macmillan.

Harvard

Colum P., . (1930). Orpheus: myths of the world. New York: Macmillan.

MLA

Colum Padraic, . Orpheus: myths of the world. New York: Macmillan. 1930.